18746340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{787}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 52688832

約数和(自身を除く): 33942492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 787, 794, 1191, 1574, 1588, 1985, 2361, 2382, 3148, 3935, 3970, 4722, 4764, 5955, 7870, 7940, 9444, 11805, 11910, 15740, 23610, 23820, 47220, 312439, 624878, 937317, 1249756, 1562195, 1874634, 3124390, 3749268, 4686585, 6248780, 9373170, 18746340]

約数ペア:

[(1, 18746340), (2, 9373170), (3, 6248780), (4, 4686585), (5, 3749268), (6, 3124390), (10, 1874634), (12, 1562195), (15, 1249756), (20, 937317), (30, 624878), (60, 312439), (397, 47220), (787, 23820), (794, 23610), (1191, 15740), (1574, 11910), (1588, 11805), (1985, 9444), (2361, 7940), (2382, 7870), (3148, 5955), (3935, 4764), (3970, 4722)]